#include <iostream>
#include <string>
using namespace std;

class A {
    private:
    string this_name;
    int this_age;

    public:
    A(string name, int age) {
        this_name = name;
        this_age = age;
    }

    void show() {
        cout<<"name: " << this_name << endl;
        cout<<"age: " << this_age << endl;
    }
};

int main() {
    A a("Tom", 20);
    a.show();
    return 0;
}
